
Getting the Wattage Right for Your Bathroom Heater
When you’re picking out a ceiling infrared heater, don’t just grab the one with the biggest number on the box. It’s tempting, but it usually backfires. If you put a massive 1200W lamp in a tiny powder room, you’re going to turn that space into a sauna. You’ll waste a ton of electricity and probably stress out your wiring. For those tight spaces, go lower. It keeps the warmth steady and keeps your circuits happy.
Let’s talk about how this actually works
Infrared isn’t like a space heater that blows hot air around. It beams heat directly onto you. In a bathroom, you’re usually fighting against freezing floor tiles and damp walls that suck the warmth right out of the room. If you’ve got a small area where you’re standing right under the light, a 400W to 600W lamp is plenty. But for a big master bath? You can’t just use one giant lamp. You’ll end up with “cold spots” where you’re shivering in one corner and roasting in another. Your best bet is to spread a few 800W+ units across the ceiling. That way, the warmth covers everything.
A quick warning on your wiring
Before you start drilling, check your power load. High-wattage lamps pull a lot of juice. If you try to run four 1000W lamps on one single circuit, there’s a good chance you’ll trip the breaker the second you flip the switch. It’s a pain to fix. If you’re going for a high-heat setup, just run a dedicated circuit for the heaters. It’s safer and saves you the headache.
The ceiling height trap
Here’s the trade-off: higher wattage warms you up faster. That sounds great, right? Not if your ceilings are low. If you’re under 2.2 meters, a high-wattage lamp can feel oppressive—almost like you’re standing too close to a campfire. You want to feel cozy, not scorched. Stick to mid-range wattage for lower ceilings. It keeps the heat functional and comfortable without making you want to run out of the room.